نتایج جستجو برای: enhanced dynamic wedge
تعداد نتایج: 749734 فیلتر نتایج به سال:
A 43-year-old Japanese woman with melena underwent an upper gastrointestinal endoscopy and was preoperatively diagnosed with sarcoma of the stomach. Physical examination revealed no abnormalities. Findings on the upper gastrointestinal endoscopy showed a pedunculated submucosal tumor measuring 17 mm in the antrum. An enhanced computed tomography showed wall thickening in the gastric antrum. The...
An isothermal boundary layer analysis is presented for the convection flow of a second-order non-Newtonian fluid past a two-dimensional wedge embedded in a non-Darcian porous medium in the presence of significant thermal radiation, surface transpiration and Eckert viscous heating. Nonsimilar numerical solutions are generated for the shear stresses and local heat transfer rates at the surface of...
A transformation-optics wedge waveguide designed for the simultaneous collection and directional collimation of pulsed dipole radiation is described and tested with numerical simulation. Azimuthal compression of free space toward a narrow fan-shaped waveguide sector allows dipole pulse radiation in free space to be transformed into a directional non-dispersive pulse propagating within that sect...
A case of duodenal gastrointestinal stromal tumor (GIST) treated by wedge resection in a patient with neurofibromatosis type 1 (NF-1) is reported. A 55-year-old man with a history of NF-1 was admitted for surgery for a duodenal tumor. Upper gastrointestinal endoscopy revealed a 2.5 cm duodenal submucosal tumor. Abdominal computed tomography showed a homogenously enhanced mass in the third porti...
A new method to predict if two words are likely to be confused by an Automatic Speech Recognition (ASR) system is presented in this paper. A new inter-word dissimilarity measure based on Dynamic Time Warping (DTW) is used to classify the word pairs as confusable or not confusable. Firstly, the phonetic transcriptions of the two words to compare are aligned using only phonetic information. After...
A simple and robust method is presented for the construction of 3-dimensional crystals from silica and polystyrene microspheres. The crystals are suitable for use as templates in the production of three-dimensional photonic band gap (PBG) materials. Manipulation of the microspheres was achieved using a dynamic holographic assembler (DHA) consisting of computer controlled holographic optical twe...
portable embedded systems applications with high computing demands. The embedded systems market consists of four segments: zero cost, zero power, zero delay, and zero volume. The overlap among zero cost, zero power, and zero delay is the “leading-edge wedge.” The leading-edge wedge includes applications in hand-held devices such as personal digital assistants and cellular telephones. In these a...
This paper presents an investigation into spreading dynamics and dynamic contact angle of TiO2-deionized water nanofluids. Two mechanisms of energy dissipation, (1) contact line friction and (2) wedge film viscosity, govern the dynamics of contact line motion. The primary stage of spreading has the contact line friction as the dominant dissipative mechanism. At the secondary stage of spreading,...
Clustering of arc volcanoes in subduction zones indicates along-arc variation in the physical condition of the underlying mantle where majority of arc magmas are generated. The sub-arc mantle is brought in from the back-arc largely by slab-driven mantle wedge flow. Dynamic processes in the back-arc, such as small-scale mantle convection, are likely to cause lateral variations in the back-arc ma...
We investigated the ferrous sulfate-benzoic acid-xylenol orange (FBX) aqueous chemical dosimeter for measurement of virtual (dynamic) wedge profiles on a linear accelerator. The layout for irradiation of the FBX-filled tubes mimicked a conventional linear detector array geometry. A comparison of the resulting measurements with film-measured profiles showed that, in the main beam region, the dif...
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